1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
|
// Copyright 2024 the u-root Authors. All rights reserved
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package llog
import (
"flag"
"fmt"
"log"
"log/slog"
"strconv"
"strings"
"testing"
)
func TestLevelFlag(t *testing.T) {
for _, tt := range []struct {
args []string
want slog.Level
}{
{
args: []string{"-level=4"},
want: slog.LevelWarn,
},
{
args: []string{},
want: slog.LevelInfo,
},
} {
f := flag.NewFlagSet("", flag.ContinueOnError)
v := &Logger{}
v.RegisterLevelFlag(f, "level")
_ = f.Parse(tt.args)
if v.Level != tt.want {
t.Errorf("Parse(%#v) = %v, want %v", tt.args, v, tt.want)
}
}
for _, tt := range []struct {
args []string
want slog.Level
err error
}{
{
args: []string{"-v"},
want: slog.LevelWarn,
},
{
args: []string{},
want: slog.LevelInfo,
},
{
args: []string{"-v=true"},
want: slog.LevelWarn,
},
{
args: []string{"-v=true", "-v=false"},
want: slog.LevelWarn,
},
{
args: []string{"-v=foobar"},
want: slog.LevelInfo,
err: strconv.ErrSyntax,
},
} {
f := flag.NewFlagSet("", flag.ContinueOnError)
v := &Logger{}
v.RegisterVerboseFlag(f, "v", slog.LevelWarn)
// Parse doesn't use %w.
if err := f.Parse(tt.args); err != tt.err && err != nil && !strings.Contains(err.Error(), tt.err.Error()) {
t.Errorf("Parse(%#v) = %v, want %v", tt.args, err, tt.err)
}
if v.Level != tt.want {
t.Errorf("Parse(%#v) = %v, want %v", tt.args, v, tt.want)
}
}
for _, tt := range []struct {
args []string
want slog.Level
err error
}{
{
args: []string{"-v"},
want: slog.LevelDebug,
},
{
args: []string{},
want: slog.LevelInfo,
},
{
args: []string{"-v=true"},
want: slog.LevelDebug,
},
{
args: []string{"-v=true", "-v=false"},
want: slog.LevelDebug,
},
{
args: []string{"-v=foobar"},
want: slog.LevelInfo,
err: strconv.ErrSyntax,
},
} {
f := flag.NewFlagSet("", flag.ContinueOnError)
v := &Logger{}
v.RegisterDebugFlag(f, "v")
// Parse doesn't use %w.
if err := f.Parse(tt.args); err != tt.err && err != nil && !strings.Contains(err.Error(), tt.err.Error()) {
t.Errorf("Parse(%#v) = %v, want %v", tt.args, err, tt.err)
}
if v.Level != tt.want {
t.Errorf("Parse(%#v) = %v, want %v", tt.args, v, tt.want)
}
}
}
func TestNilLogger(t *testing.T) {
for _, l := range []*Logger{nil, {}} {
// Test that none of this panics.
l.AtLevelFunc(slog.LevelDebug)("nothing")
l.AtLevel(slog.LevelDebug).Printf("nothing")
l.Debugf("nothing")
l.Infof("nothing")
l.Warnf("nothing")
l.Errorf("nothing")
l.Logf(slog.LevelDebug, "nothing")
}
}
func TestLog(t *testing.T) {
var s strings.Builder
l := New(slog.LevelDebug, func(format string, args ...any) {
fmt.Fprintf(&s, format+"\n", args...)
})
l.AtLevelFunc(slog.LevelDebug)("nothing")
l.AtLevel(slog.LevelInfo).Printf("nothing")
l.Debugf("nothing")
l.Infof("nothing")
l.Warnf("nothing")
l.Errorf("nothing")
l.Logf(slog.LevelDebug, "nothing")
want := `DEBUG nothing
INFO nothing
DEBUG nothing
INFO nothing
WARN nothing
ERROR nothing
DEBUG nothing
`
if got := s.String(); got != want {
t.Errorf("got %v, want %v", got, want)
}
}
func TestDefaults(t *testing.T) {
var s strings.Builder
log.SetOutput(&s)
log.SetFlags(0)
l := Debug()
l.Debugf("foobar")
want := "DEBUG foobar\n"
if got := s.String(); got != want {
t.Errorf("got %v, want %v", got, want)
}
l = Default()
l.Debugf("bazzed")
l.Infof("stuff")
want = "DEBUG foobar\nINFO stuff\n"
if got := s.String(); got != want {
t.Errorf("got %v, want %v", got, want)
}
l = Test(t)
l.Debugf("more foobar")
}
func TestBufOutput(t *testing.T) {
var s strings.Builder
l := New(slog.LevelDebug, MultiPrintf(nil, t.Logf, WritePrintf(&s)))
l.Debugf("test output!")
l.Infof("test output\n\n")
got := s.String()
want := "DEBUG test output!\nINFO test output\n\n"
if got != want {
t.Errorf("got = %v, want %v", got, want)
}
}
|
